From: Gabor Juhos <juhosg@openwrt.org>
Date: Sat, 7 Jun 2008 08:35:09 +0000 (+0000)
Subject: add a chip_fixup function to the plat_nand driver on 2.6.23 as well (closes #3513)
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=7a902dfc34ff386ac2e91f2ebdf8920179aafdcd;p=openwrt%2Fstaging%2Fkaloz.git

add a chip_fixup function to the plat_nand driver on 2.6.23 as well (closes #3513)

SVN-Revision: 11386
---

diff --git a/target/linux/generic-2.6/patches-2.6.23/080-mtd_plat_nand_chip_fixup.patch b/target/linux/generic-2.6/patches-2.6.23/080-mtd_plat_nand_chip_fixup.patch
new file mode 100644
index 0000000000..4653898cba
--- /dev/null
+++ b/target/linux/generic-2.6/patches-2.6.23/080-mtd_plat_nand_chip_fixup.patch
@@ -0,0 +1,32 @@
+--- a/include/linux/mtd/nand.h
++++ b/include/linux/mtd/nand.h
+@@ -572,6 +572,7 @@
+ 	int			chip_delay;
+ 	unsigned int		options;
+ 	const char		**part_probe_types;
++	int			(*chip_fixup)(struct mtd_info *mtd);
+ 	void			*priv;
+ };
+ 
+--- a/drivers/mtd/nand/plat_nand.c
++++ b/drivers/mtd/nand/plat_nand.c
+@@ -70,7 +70,18 @@
+ 	platform_set_drvdata(pdev, data);
+ 
+ 	/* Scan to find existance of the device */
+-	if (nand_scan(&data->mtd, 1)) {
++	if (nand_scan_ident(&data->mtd, 1)) {
++		res = -ENXIO;
++		goto out;
++	}
++
++	if (pdata->chip.chip_fixup) {
++		res = pdata->chip.chip_fixup(&data->mtd);
++		if (res)
++			goto out;
++	}
++
++	if (nand_scan_tail(&data->mtd)) {
+ 		res = -ENXIO;
+ 		goto out;
+ 	}